feat(KAN-69): open saved native workspace directly in dashboard

native/src-tauri/gen/android/app/src/androidTest/java/de/kanbangit/desktop/PlatformTest.kt

@@ -5,6 +5,7 @@ import android.os.SystemClock
 import android.view.InputDevice
 import android.view.MotionEvent
 import android.view.View
+import android.view.ViewGroup
 import android.webkit.CookieManager
 import android.webkit.WebView
 import androidx.lifecycle.Lifecycle
@@ -59,6 +60,59 @@ class PlatformTest {
         instrumentation.waitForIdleSync()
     }
 
+    @Test fun coldStartRestoresWorkspaceWithoutSelectionOrLauncherHistory() {
+        val mode = InstrumentationRegistry.getArguments().getString("startupConfig", "saved")
+        val preferences = instrumentation.targetContext.getSharedPreferences("workspace", Context.MODE_PRIVATE)
+        preferences.edit().clear().apply {
+            if (mode == "saved") putString("server", "https://127.0.0.1:9/app/")
+            if (mode == "invalid") putString("server", "http://invalid.example/")
+        }.commit()
+        val scenario = ActivityScenario.launch(MainActivity::class.java)
+        val launcher = AtomicReference<WebView>()
+        fun findLauncher(view: View): WebView? {
+            if (view is WebView && view.url?.startsWith(NavigationPolicy.LAUNCHER_ORIGIN) == true) return view
+            if (view is ViewGroup) for (index in 0 until view.childCount) {
+                findLauncher(view.getChildAt(index))?.let { return it }
+            }
+            return null
+        }
+        waitFor {
+            scenario.onActivity { launcher.set(findLauncher(it.window.decorView)) }
+            launcher.get() != null && evaluate(launcher.get(), "typeof window.updateLauncher === 'function'") == "true"
+        }
+        if (mode == "saved") {
+            waitFor {
+                val state = evaluate(launcher.get(), "document.querySelector('#connection-status').dataset.state")
+                if (state == "\"connecting\"") {
+                    assertEquals("true", evaluate(launcher.get(), "document.querySelector('#workspace-settings').hidden"))
+                }
+                state == "\"connectionError\""
+            }
+            assertEquals("https://127.0.0.1:9/app/", preferences.getString("server", null))
+            assertEquals("\"Try again\"", evaluate(launcher.get(), "document.querySelector('.open-workspace').textContent"))
+            scenario.onActivity {
+                assertEquals("https://127.0.0.1:9/app/dashboard", it.workspace?.originalUrl)
+                assertFalse(it.workspace!!.canGoBack())
+                it.openWorkspace("https://127.0.0.1:9/app/")
+            }
+            waitFor { evaluate(launcher.get(), "document.querySelector('#connection-status').dataset.state") == "\"connectionError\"" }
+        } else {
+            waitFor { evaluate(launcher.get(), "document.querySelector('#workspace-settings').hidden") == "false" }
+            scenario.onActivity { assertNull(it.workspace) }
+        }
+        scenario.onActivity { it.openWorkspace("https://kanbangit.de/") }
+        val remote = AtomicReference<WebView>()
+        waitFor {
+            var visible = false
+            scenario.onActivity { remote.set(it.workspace); visible = it.workspace?.visibility == View.VISIBLE }
+            visible && remote.get() != null
+        }
+        assertEquals("\"/login\"", evaluate(remote.get(), "location.pathname"))
+        assertEquals("1", evaluate(remote.get(), "history.length"))
+        assertEquals("https://kanbangit.de/", preferences.getString("server", null))
+        scenario.moveToState(Lifecycle.State.CREATED)
+    }
+
     @Test fun workspacePreservesFormsAndIsolatesServers() {
         instrumentation.targetContext.getSharedPreferences("workspace", Context.MODE_PRIVATE).edit().clear().commit()
         val scenario = ActivityScenario.launch(MainActivity::class.java)

native/src-tauri/gen/android/app/src/main/java/de/kanbangit/desktop/MainActivity.kt

@@ -164,9 +164,9 @@ class MainActivity : TauriActivity() {
                 if (initialized) return
                 initialized = true
                 val saved = preferences.getString("server", null)
-                server = saved?.let(NavigationPolicy::installation) ?: NavigationPolicy.DEFAULT_SERVER
-                updateLauncher()
-                if (saved != null) openWorkspace(server)
+                val restored = saved?.let(NavigationPolicy::installation)
+                server = restored ?: NavigationPolicy.DEFAULT_SERVER
+                if (restored != null) openWorkspace(restored) else updateLauncher()
             }
             "/action/open" -> openWorkspace(url.getQueryParameter("server").orEmpty())
             "/action/resume" -> if (ready) showWorkspace()
@@ -313,8 +313,8 @@ class MainActivity : TauriActivity() {
                 val firstLoad = !ready
                 ready = true
                 CookieManager.getInstance().flush()
-                updateLauncher()
                 if (firstLoad) showWorkspace()
+                updateLauncher()
             }
 
             override fun onReceivedError(view: WebView, request: WebResourceRequest, error: WebResourceError) {
@@ -333,7 +333,7 @@ class MainActivity : TauriActivity() {
         remote.visibility = View.GONE
         content.addView(remote, 0, FrameLayout.LayoutParams(-1, -1))
         startTimeout(remote)
-        remote.loadUrl(server)
+        remote.loadUrl(NavigationPolicy.dashboard(server))
     }
 
     private fun startTimeout(view: WebView) {

native/src-tauri/gen/android/app/src/main/java/de/kanbangit/desktop/NavigationPolicy.kt

@@ -21,6 +21,8 @@ object NavigationPolicy {
         "https://${uri.host.lowercase(Locale.ROOT)}$port$path"
     }.getOrNull()
 
+    fun dashboard(server: String): String = URI(requireNotNull(installation(server))).resolve("dashboard").toString()
+
     fun allows(server: String, destination: String): Boolean = runCatching {
         val base = URI(server)
         val target = URI(destination)

native/src-tauri/gen/android/app/src/test/java/de/kanbangit/desktop/NavigationPolicyTest.kt

@@ -12,6 +12,11 @@ class NavigationPolicyTest {
         }
     }
 
+    @Test fun startupTargetsDashboardWithinTheInstallation() {
+        assertEquals("https://example.com/dashboard", NavigationPolicy.dashboard("https://example.com/"))
+        assertEquals("https://example.com:8443/kanban/dashboard", NavigationPolicy.dashboard("https://example.com:8443/kanban/"))
+    }
+
     @Test fun allowsLoginTwoFactorAndHistoryOnlyOnTheSelectedOrigin() {
         val server = "https://example.com:8443/app/"
         for (path in listOf("/login", "/two-factor-challenge", "/projects/1?ticket=53#details")) {